<div class="cats-box">
    <div class="cats-list">
        <volist name="cats" id="cats"> 
        <div class="item">
            <h3>
            <a href="{$cats.link}">{$cats.title}</a>
            </h3>
            <if condition="$cats['items']">
            <div class="item-list clearfix">
                <ul class="subitem">
                    <volist name="cats.items" id="child">
                        <li><a href="{$child.link}">{$child.title}</a></li>
                    </volist>
                </ul>
            </div>
            </if>
        </div>
        </volist>
    </div>
</div>